1*34d0831fSPeter Maydell /* 2*34d0831fSPeter Maydell * "Universal" Interrupt Controller for PowerPPC 4xx embedded processors 3*34d0831fSPeter Maydell * 4*34d0831fSPeter Maydell * Copyright (c) 2007 Jocelyn Mayer 5*34d0831fSPeter Maydell * 6*34d0831fSPeter Maydell * Permission is hereby granted, free of charge, to any person obtaining a copy 7*34d0831fSPeter Maydell * of this software and associated documentation files (the "Software"), to deal 8*34d0831fSPeter Maydell * in the Software without restriction, including without limitation the rights 9*34d0831fSPeter Maydell * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10*34d0831fSPeter Maydell * copies of the Software, and to permit persons to whom the Software is 11*34d0831fSPeter Maydell * furnished to do so, subject to the following conditions: 12*34d0831fSPeter Maydell * 13*34d0831fSPeter Maydell * The above copyright notice and this permission notice shall be included in 14*34d0831fSPeter Maydell * all copies or substantial portions of the Software. 15*34d0831fSPeter Maydell * 16*34d0831fSPeter Maydell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*34d0831fSPeter Maydell * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*34d0831fSPeter Maydell * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19*34d0831fSPeter Maydell * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*34d0831fSPeter Maydell * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21*34d0831fSPeter Maydell * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22*34d0831fSPeter Maydell * THE SOFTWARE. 23*34d0831fSPeter Maydell */ 24*34d0831fSPeter Maydell 25*34d0831fSPeter Maydell #ifndef HW_INTC_PPC_UIC_H 26*34d0831fSPeter Maydell #define HW_INTC_PPC_UIC_H 27*34d0831fSPeter Maydell 28*34d0831fSPeter Maydell #include "hw/sysbus.h" 29*34d0831fSPeter Maydell #include "qom/object.h" 30*34d0831fSPeter Maydell 31*34d0831fSPeter Maydell #define TYPE_PPC_UIC "ppc-uic" 32*34d0831fSPeter Maydell OBJECT_DECLARE_SIMPLE_TYPE(PPCUIC, PPC_UIC) 33*34d0831fSPeter Maydell 34*34d0831fSPeter Maydell /* 35*34d0831fSPeter Maydell * QEMU interface: 36*34d0831fSPeter Maydell * QOM property "cpu": link to the PPC CPU 37*34d0831fSPeter Maydell * (no default, must be set) 38*34d0831fSPeter Maydell * QOM property "dcr-base": base of the bank of DCR registers for the UIC 39*34d0831fSPeter Maydell * (default 0x30) 40*34d0831fSPeter Maydell * QOM property "use-vectors": true if the UIC has vector registers 41*34d0831fSPeter Maydell * (default true) 42*34d0831fSPeter Maydell * unnamed GPIO inputs 0..UIC_MAX_IRQ: input IRQ lines 43*34d0831fSPeter Maydell * sysbus IRQs: 44*34d0831fSPeter Maydell * 0 (PPCUIC_OUTPUT_INT): output INT line to the CPU 45*34d0831fSPeter Maydell * 1 (PPCUIC_OUTPUT_CINT): output CINT line to the CPU 46*34d0831fSPeter Maydell */ 47*34d0831fSPeter Maydell 48*34d0831fSPeter Maydell #define UIC_MAX_IRQ 32 49*34d0831fSPeter Maydell 50*34d0831fSPeter Maydell struct PPCUIC { 51*34d0831fSPeter Maydell /*< private >*/ 52*34d0831fSPeter Maydell SysBusDevice parent_obj; 53*34d0831fSPeter Maydell 54*34d0831fSPeter Maydell /*< public >*/ 55*34d0831fSPeter Maydell qemu_irq output_int; 56*34d0831fSPeter Maydell qemu_irq output_cint; 57*34d0831fSPeter Maydell 58*34d0831fSPeter Maydell /* properties */ 59*34d0831fSPeter Maydell CPUState *cpu; 60*34d0831fSPeter Maydell uint32_t dcr_base; 61*34d0831fSPeter Maydell bool use_vectors; 62*34d0831fSPeter Maydell 63*34d0831fSPeter Maydell uint32_t level; /* Remembers the state of level-triggered interrupts. */ 64*34d0831fSPeter Maydell uint32_t uicsr; /* Status register */ 65*34d0831fSPeter Maydell uint32_t uicer; /* Enable register */ 66*34d0831fSPeter Maydell uint32_t uiccr; /* Critical register */ 67*34d0831fSPeter Maydell uint32_t uicpr; /* Polarity register */ 68*34d0831fSPeter Maydell uint32_t uictr; /* Triggering register */ 69*34d0831fSPeter Maydell uint32_t uicvcr; /* Vector configuration register */ 70*34d0831fSPeter Maydell uint32_t uicvr; 71*34d0831fSPeter Maydell }; 72*34d0831fSPeter Maydell 73*34d0831fSPeter Maydell #endif 74